Universal Licensing System
WPMC421
WHITE MOUNTAIN COMMUNICATION, INC.
License details
| ULS identifier | 1923972 |
|---|
| Call sign | WPMC421 |
|---|
| Radio service | YK |
|---|
| Status | A |
|---|
| Grant date | 2018-05-08 |
|---|
| Expiration | 2028-05-29 |
|---|
| Frequency range | 451.325 - 456.5 MHz (10 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMcomm.zip |
|---|
| Dataset refreshed | 2026-08-02 00:44:25 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8C | 451.32500000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB8C | 451.37500000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB8C | 451.45000000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB8C | 451.47500000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB8C | 451.50000000 | | | 100.000000 | 150.000000 | |
| 2 | 1 | FX1T | 456.32500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8C | 456.32500000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | FX1T | 456.37500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8C | 456.37500000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | FX1T | 456.45000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8C | 456.45000000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | FX1T | 456.47500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8C | 456.47500000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | FX1T | 456.50000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8C | 456.50000000 | | | 100.000000 | 200.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.32500000 | | 10K0F1D |
| 1 | 1 | 451.32500000 | | 11K2F3E |
| 1 | 1 | 451.37500000 | | 10K0F1D |
| 1 | 1 | 451.37500000 | | 11K2F3E |
| 1 | 1 | 451.45000000 | | 11K2F3E |
| 1 | 1 | 451.45000000 | | 10K0F1D |
| 1 | 1 | 451.47500000 | | 11K2F3E |
| 1 | 1 | 451.47500000 | | 10K0F1D |
| 1 | 1 | 451.50000000 | | 11K2F3E |
| 1 | 1 | 451.50000000 | | 10K0F1D |
| 2 | 1 | 456.32500000 | | 10K0F1D |
| 2 | 1 | 456.32500000 | | 11K2F3E |
| 3 | 1 | 456.32500000 | | 10K0F1D |
| 3 | 1 | 456.32500000 | | 11K2F3E |
| 2 | 1 | 456.37500000 | | 11K2F3E |
| 2 | 1 | 456.37500000 | | 10K0F1D |
| 3 | 1 | 456.37500000 | | 10K0F1D |
| 3 | 1 | 456.37500000 | | 11K2F3E |
| 2 | 1 | 456.45000000 | | 10K0F1D |
| 2 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.45000000 | | 10K0F1D |
| 2 | 1 | 456.47500000 | | 11K2F3E |
| 2 | 1 | 456.47500000 | | 10K0F1D |
| 3 | 1 | 456.47500000 | | 11K2F3E |
| 3 | 1 | 456.47500000 | | 10K0F1D |
| 2 | 1 | 456.50000000 | | 10K0F1D |
| 2 | 1 | 456.50000000 | | 11K2F3E |
| 3 | 1 | 456.50000000 | | 10K0F1D |
| 3 | 1 | 456.50000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PORTER MOUNTAIN 4 MILES NE OF LAKESIDE, LAKESIDE, NAVAJO, AZ | 34.20422222, -109.94094444 | 2258.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 2 | T | AZ | | | | | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 32.000 m | | | | 210.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1474 E. SPRUCE LANE, PINETOP, AZ | NAVAJO | 9283676116 |
License history
| Date | File or call sign | Action |
|---|
| 2024-09-11 | WPMC421 | COR |
| 2018-05-08 | WPMC421 | LIREN |
| 2018-03-05 | WPMC421 | LETRES |
| 2013-11-27 | WPMC421 | LITRAN |
| 2013-09-11 | WPMC421 | LTSAPR |
| 2013-09-10 | WPMC421 | EFCAPR |
| 2013-09-10 | WPMC421 | ESCAPR |
| 2013-09-09 | WPMC421 | EFUAPR |
| 2013-09-09 | WPMC421 | ESUAPR |
| 2012-06-13 | WPMC421 | LIMOD |
| 2012-05-17 | WPMC421 | ESUAPR |
| 2012-04-17 | WPMC421 | ESUAPR |
| 2008-04-15 | WPMC421 | LIREN |
| 2008-03-07 | WPMC421 | ESUAPR |
| 2008-03-03 | WPMC421 | LETRES |
| 2001-10-17 | WPMC421 | LIMOD |
| 2001-08-23 | WPMC421 | LITIN |
| 2000-11-24 | WPMC421 | LICCNV |
| 1998-05-29 | WPMC421 | LIISS |
| 1998-05-29 | WPMC421 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1923972 | 2026-08-02 00:44:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMC421 | ULS 1923972 | 2026-08-02 00:44:25 |
| Status | A | ULS 1923972 | 2026-08-02 00:44:25 |
| Service | YK | ULS 1923972 | 2026-08-02 00:44:25 |
| Grant Date | 2018-05-08 | ULS 1923972 | 2026-08-02 00:44:25 |
| Expiration Date | 2028-05-29 | ULS 1923972 | 2026-08-02 00:44:25 |